SB2015090101 - Ubuntu update for Apache
Published: September 1, 2015
Security Bulletin ID
SB2015090101
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Resource exhaustion (CVE-ID: CVE-2011-3192)
The vulnerability allows a remote attacker to cause DoS conditions on the target system.The weakness exists due to an error in the ByteRange filter when processing malicious requests in Apache HTTP server. A remote attacker can send a specially crafted HTTP request containing an overly large Range header, exhaust all available memory resources and trigger the application to crash.
Successful exploitation of the vulnerability results in denial service on the vulnerable system.
Note: the vulnerability was being actively exploited.
Remediation
Install update from vendor's website.